Answer: A
Explanation: its not B and its probably not D or C, so your best guess is probably A, i cant say for sure
The correct sentence is the second one "She built a high-performance CPU".
The first sentence should not contain a comma and is incorrect. The third sentence is incorrect because there shouldn't be a dash before CPU. The fourth sentence is incorrect because CPU is not written with dashes.
What are the answer choices
Answer: A group of words with a subject and verb that does not express a complete thought is called a(n) dependent clause.
hope this helps you (:
I would say your second option.
